Question 1

The parasympathetic nervous system dominates in fight-or-flight situations.

Accepted Answer

A) True 
 B)False

Question 2

Select the correct statement about the neuromuscular junction.

Accepted Answer

A)  AChE activity is absent here. 
B)  It involves presynaptic neurons of the autonomic nervous system. 
C)  It is a junction between two neurons. 
D)  It is always excitatory. 
E)  The axon terminals do not store neurotransmitters. 
A)  AChE activity is absent here. 
B)  It involves presynaptic neurons of the autonomic nervous system. 
C)  It is a junction between two neurons. 
D)  It is always excitatory. 
E)  The axon terminals do not store neurotransmitters.

Question 3

Acetylcholine

Accepted Answer

A)  is released from an axon. 
B)  destroys acetylcholinesterase. 
C)  is blocked by sodium. 
D)  both (a) and (b) above. 
E)  all of these answers. 
A)  is released from an axon. 
B)  destroys acetylcholinesterase. 
C)  is blocked by sodium. 
D)  both (a) and (b) above. 
E)  all of these answers.

Question 4

The parasympathetic nervous system controls the secretion of saliva but not sweat.

Accepted Answer

A) True 
 B)False

Question 5

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply):
-Found in all autonomic ganglia.

Accepted Answer

A) nicotinic receptors 
B) muscarinic receptors 
C) alpha receptors 
D) Beta 1 receptors 
E) Beta 2 receptors 
A) nicotinic receptors 
B) muscarinic receptors 
C) alpha receptors 
D) Beta 1 receptors 
E) Beta 2 receptors

Question 6

Match chemical with correct characteristic.
-Blocks release of ACh.

Accepted Answer

A) myasthenia gravis 
B) black widow spider venom 
C) curare 
D) Clostridium botulinum toxin 
E) organophosphates 
A) myasthenia gravis 
B) black widow spider venom 
C) curare 
D) Clostridium botulinum toxin 
E) organophosphates

Question 7

MATCHING
Indicate which part of the autonomic nervous system is being described by writing the appropriate letter in the blank using the following answer code.
-Preganglionic fiber secretes acetylcholine.

Accepted Answer

A) sympathetic nervous system 
B) parasympathetic nervous system 
C) both sympathetic and parasympathetic nervous system 
D) somatic system 
A) sympathetic nervous system 
B) parasympathetic nervous system 
C) both sympathetic and parasympathetic nervous system 
D) somatic system

Question 8

What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?

Accepted Answer

A)  the cell would relax. 
B)  the cell would repolarize with the opening of chloride channels. 
C)  the cell would remain contracted until fatigued. 
D)  sodium would continue to move into the cell causing excitation. 
E)  both (c) and (d) above. 
A)  the cell would relax. 
B)  the cell would repolarize with the opening of chloride channels. 
C)  the cell would remain contracted until fatigued. 
D)  sodium would continue to move into the cell causing excitation. 
E)  both (c) and (d) above.

Question 9

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?

Accepted Answer

A)  cholinergic. 
B)  nicotinic. 
C)  alpha. 
D)  beta1. 
E)  beta2. 
A)  cholinergic. 
B)  nicotinic. 
C)  alpha. 
D)  beta1. 
E)  beta2.

Question 10

Sympathetic preganglionic fibers originate in the thoracic and lumbar segments of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 11

The sympathetic nervous system

Accepted Answer

A)  is always excitatory. 
B)  innervates only tissues concerned with protecting the body against challenges from the outside environment. 
C)  dominates in fight-or-fight situations. 
D)  is part of the somatic nervous system. 
E)  is part of the afferent division of the peripheral nervous system. 
A)  is always excitatory. 
B)  innervates only tissues concerned with protecting the body against challenges from the outside environment. 
C)  dominates in fight-or-fight situations. 
D)  is part of the somatic nervous system. 
E)  is part of the afferent division of the peripheral nervous system.

Question 12

Sympathetic activity inhibits the secretion of ____________________ from the pancreas.

Accepted Answer

The answer of Sympathetic activity inhibits the secretion of ____________________...

Question 13

The accompanying figure relates to events at the neuromuscular junction. Match the steps highlighted in the figure (steps 1-9) with the statements using the letter key below.
-open channels allow more sodium to enter the cell than potassium to leave

Accepted Answer

A) Step 1 
B) Step 2 
C) Step 3 
D) Step 4 
E) Step 5
F)Step 6
G)Step 7
H)Step 8
I)Step 9 
A) Step 1 
B) Step 2 
C) Step 3 
D) Step 4 
E) Step 5
F)Step 6
G)Step 7
H)Step 8
I)Step 9

Question 14

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply):
-Found in the heart, associated with increased cardiac functions.

Accepted Answer

A) nicotinic receptors 
B) muscarinic receptors 
C) alpha receptors 
D) Beta 1 receptors 
E) Beta 2 receptors 
A) nicotinic receptors 
B) muscarinic receptors 
C) alpha receptors 
D) Beta 1 receptors 
E) Beta 2 receptors

Question 15

Indicate whether the following autonomic anatomical and physiological features pertain to:
-causes fat break down in adipose tissue

Accepted Answer

A) the parasympathetic division 
B) the sympathetic division 
C) both parasympathetic and sympathetic divisions 
A) the parasympathetic division 
B) the sympathetic division 
C) both parasympathetic and sympathetic divisions

Question 16

Match chemical with correct characteristic.
-Binds with ACH receptor sites.

Accepted Answer

A) myasthenia gravis 
B) black widow spider venom 
C) curare 
D) Clostridium botulinum toxin 
E) organophosphates 
A) myasthenia gravis 
B) black widow spider venom 
C) curare 
D) Clostridium botulinum toxin 
E) organophosphates

Question 17

Indicate whether the following autonomic anatomical and physiological features pertain to:
-causes tear gland stimulation

Accepted Answer

A) the parasympathetic division 
B) the sympathetic division 
C) both parasympathetic and sympathetic divisions 
A) the parasympathetic division 
B) the sympathetic division 
C) both parasympathetic and sympathetic divisions

Question 18

The two components of the efferent division of the peripheral nervous system are the ____________________ nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the ____________________ nervous system, which supplies skeletal muscle.

Accepted Answer

The answer of The two components of the efferent division...

Question 19

ACh is the neurotransmitter released to signal contraction of both skeletal and cardiac muscle.

Accepted Answer

A) True 
 B)False

Question 20

Describe the events that occur at a skeletal neuromuscular junction.

Accepted Answer

Action potential occurs in the motor neu

The parasympathetic nervous system dominates in fight-or-flight situations.

Select the correct statement about the neuromuscular junction.

Acetylcholine

The parasympathetic nervous system controls the secretion of saliva but not sweat.

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply): -Found in all autonomic ganglia.

Match chemical with correct characteristic. -Blocks release of ACh.

MATCHING Indicate which part of the autonomic nervous system is being described by writing the appropriate letter in the blank using the following answer code. -Preganglionic fiber secretes acetylcholine.

What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?

Sympathetic preganglionic fibers originate in the thoracic and lumbar segments of the spinal cord.

The sympathetic nervous system

Sympathetic activity inhibits the secretion of ____________________ from the pancreas.

The accompanying figure relates to events at the neuromuscular junction. Match the steps highlighted in the figure (steps 1-9) with the statements using the letter key below. -open channels allow more sodium to enter the cell than potassium to leave

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply): -Found in the heart, associated with increased cardiac functions.

Indicate whether the following autonomic anatomical and physiological features pertain to: -causes fat break down in adipose tissue

Match chemical with correct characteristic. -Binds with ACH receptor sites.

Indicate whether the following autonomic anatomical and physiological features pertain to: -causes tear gland stimulation

The two components of the efferent division of the peripheral nervous system are the nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the nervous system, which supplies skeletal muscle.

ACh is the neurotransmitter released to signal contraction of both skeletal and cardiac muscle.

Describe the events that occur at a skeletal neuromuscular junction.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 7: The Peripheral Nervous System: Efferent Division

The parasympathetic nervous system dominates in fight-or-flight situations.

Select the correct statement about the neuromuscular junction.

Acetylcholine

The parasympathetic nervous system controls the secretion of saliva but not sweat.

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply): -Found in all autonomic ganglia.

Match chemical with correct characteristic. -Blocks release of ACh.

MATCHING Indicate which part of the autonomic nervous system is being described by writing the appropriate letter in the blank using the following answer code. -Preganglionic fiber secretes acetylcholine.

What would occur if ACh was not removed from the nicotinic receptors on skeletal muscle cells?

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?

Sympathetic preganglionic fibers originate in the thoracic and lumbar segments of the spinal cord.

The sympathetic nervous system

Sympathetic activity inhibits the secretion of ____________________ from the pancreas.

The accompanying figure relates to events at the neuromuscular junction. Match the steps highlighted in the figure (steps 1-9) with the statements using the letter key below. -open channels allow more sodium to enter the cell than potassium to leave

Indicate the characteristics of the types of autonomic receptors using the following answer code (more than one answer may apply): -Found in the heart, associated with increased cardiac functions.

Indicate whether the following autonomic anatomical and physiological features pertain to: -causes fat break down in adipose tissue

Match chemical with correct characteristic. -Binds with ACH receptor sites.

Indicate whether the following autonomic anatomical and physiological features pertain to: -causes tear gland stimulation

The two components of the efferent division of the peripheral nervous system are the ____________________ nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the ____________________ nervous system, which supplies skeletal muscle.

ACh is the neurotransmitter released to signal contraction of both skeletal and cardiac muscle.

Describe the events that occur at a skeletal neuromuscular junction.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

The two components of the efferent division of the peripheral nervous system are the nervous system, which supplies cardiac muscle, smooth muscle, and glands, and the nervous system, which supplies skeletal muscle.